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International Comfort Products APFM36K000A Furnace Door Switch
The furnace door switch blocks the fan and other risky devices from switching on in order to prevent injury and fire. It is vital that this part be switched out as soon as possible if it is not working in order to prevent injuries.
Major symptoms the safety door switch will need to be replaced
- The furnace door switch appears as though it has been eroded
- The whole system cannot run with the door closed
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